<p style="text-align: center">
    Oops, you don't authorized to view this page..
    <br/><br/>

    <?php $url = ''; if ($this->uri->segment(3) != ''): $url = 'sessions/logout'?>
    (no authorization menus for your user-group, please contact administrator for this application) <br/><br/>
    <?php else: ?>
    <input type="button" name="back" value="&laquo; Back" onclick="history.go(-1)" />
    <?php endif; ?>
    <input type="button" name="back" value="Out &raquo;" onclick="window.location='<?php echo site_url('sessions/logout')?>'" />
</p>
</body>
</html>